my Ford Explorer Fifth Generation (2011-2019) AC is not blowing cold air, how to fix it?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

593 words

Problem Statement

Learn how to diagnose and fix AC not blowing cold air in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

HVAC

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety goggles and gloves when handling refrigerants.
•Disconnect the battery before working on electrical components to prevent shock.

Symptoms

•AC compressor not engaging
•Warm air blowing from the vents
•Unusual noises from the AC compressor
•AC system cycling on and off frequently
•Refrigerant leaking or visible oil around AC components
•Poor air flow from vents

Diagnostic Steps

1
Check the AC system for any error codes using an OBD-II scanner.
2
Inspect the AC compressor and its associated electrical connections for damage or disconnection.
3
Verify the refrigerant levels using a gauge manifold set.
4
Examine the AC condenser for blockages or damage.
5
Inspect the cabin air filter for clogging and reduced airflow.
6
Test the AC relay and fuses for continuity and functionality.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Refrigerant gauge manifold
•Refrigerant canister
•Safety goggles
•Gloves
•Socket set
•Torque wrench
•AC compressor removal tool
•Screwdriver

Parts Required

•Refrigerant (R-134a)
•AC compressor (if defective)
•Cabin air filter

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Diagnostic Steps

1
Check the AC system for any error codes using an OBD-II scanner.
2
Inspect the AC compressor and its associated electrical connections for damage or disconnection.
3
Verify the refrigerant levels using a gauge manifold set.
4
Examine the AC condenser for blockages or damage.
5
Inspect the cabin air filter for clogging and reduced airflow.
6
Test the AC relay and fuses for continuity and functionality.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to avoid electrical shock.

2. Refrigerant Recharge

Tools Required: Refrigerant gauge manifold, refrigerant canister, safety goggles, gloves.
Connect the low-pressure side of the refrigerant gauge manifold to the AC service port.
Check the pressure readings; if low, proceed to recharge.
Attach the refrigerant canister to the manifold and open the valve to allow refrigerant to flow into the system.
Monitor the pressure until it reaches the manufacturer-specified level (typically around 30-40 psi for R-134a systems).
Disconnect the gauge manifold and replace the service port cap.

3. AC Compressor Inspection and Replacement (if needed)

Tools Required: Socket set, torque wrench, AC compressor removal tool.
Remove any components obstructing access to the AC compressor (e.g., belts, hoses).
Disconnect the electrical connector and refrigerant lines from the compressor.
Unbolt the compressor from its mounting bracket and remove it from the engine bay.
Install the new compressor by reversing the removal steps, ensuring proper torque specifications are followed.
Reconnect the refrigerant lines and electrical connector.

4. Cabin Air Filter Replacement

Tools Required: Screwdriver (if needed for access).
Locate the cabin air filter compartment, usually behind the glove box.
Remove the old filter and inspect for dirt and debris.
Install the new cabin air filter, ensuring it is oriented correctly.

5. System Check

Reconnect the battery and start the vehicle.
Turn on the AC to the maximum setting and check for proper function and cold air output.